2024 Keystone Cougar 311RES vs 2024 Forest River Cardinal 390FLX

Detailed Comparison

The 2024 Keystone Cougar 311RES goes up against the 2024 Forest River Cardinal 390FLX in this detailed comparison. Each has distinct advantages worth considering.

In terms of footprint, the Keystone Cougar 311RES stretches 34.0 ft while the Forest River Cardinal 390FLX spans 39.0 ft. Weight-wise, the Forest River Cardinal 390FLX is the lighter rig at 10,200 lbs versus 11,300 lbs.

The Keystone Cougar 311RES sleeps 8 while the Forest River Cardinal 390FLX accommodates 8. Slide-outs play a role in livability: the Keystone Cougar 311RES has 2 and the Forest River Cardinal 390FLX has 4.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Cougar 311RES at 92 gallons versus 66 gallons. Solar-wise, you get 450W on the Keystone Cougar 311RES and 350W on the Forest River Cardinal 390FLX. Battery banks are 150 Ah and 400 Ah.

At $143,000 MSRP for the Keystone Cougar 311RES and $142,000 for the Forest River Cardinal 390FLX, the Forest River Cardinal 390FLX saves you $1,000. With only a 1% price difference, the choice comes down to features rather than cost.

If you're traveling with a family, look for the model with more sleeping positions and better storage. Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

Both options have earned their place in the market. Your trip style and budget should be the final tiebreakers.